is there any continuing value in node "chosen@0"?

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  while the current DTSpec says nothing about the chosen node possibly
having a unit-address, if i search the current linux kernel code base,
there are a few examples of just that:

$ git grep chosen@
arch/mips/generic/yamon-dt.c:           chosen_off = fdt_path_offset(fdt, "/chosen@0");
arch/mips/generic/yamon-dt.c:           chosen_off = fdt_path_offset(fdt, "/chosen@0");
arch/powerpc/boot/oflib.c:              chosen = of_finddevice("/chosen@0");
drivers/of/base.c:              of_chosen = of_find_node_by_path("/chosen@0");
drivers/of/fdt.c:               offset = fdt_path_offset(fdt, "/chosen@0");
drivers/of/fdt.c:           (strcmp(uname, "chosen") != 0 && strcmp(uname, "chosen@0") != 0))

  is there some lingering value to the node name "chosen@0"? or should
this all be simplified to just "chosen"?

rday

-- 

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Robert P. J. Day                                 Ottawa, Ontario, CANADA
                  http://crashcourse.ca/dokuwiki

Twitter:                                       http://twitter.com/rpjday
LinkedIn:                               http://ca.linkedin.com/in/rpjday
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